Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 361-380 of 1786
-
Redundant Manipulator Kinematics and Dynamics on Differentiable Manifolds
(The American Society of Mechanical Engineers (ASME), 2022)A recently published treatment of nonredundant manipulator kinematics and dynamics on differentiable manifolds is extended to kinematically redundant manipulators. Analysis at the configuration level shows that forward ... -
Modal Analysis for Localization of Harmonic Oscillations in Nonlinear Oscillator Arrays
(The American Society of Mechanical Engineers (ASME), 2022)When a nonlinear oscillator array is harmonically excited, specific oscillators in the array may oscillate with large amplitudes. This is known as the localization phenomenon; however, the reason for localization has not ... -
Stability of a Cross-Flow Heat-Exchanger Tube With Asymmetric Supports
(The American Society of Mechanical Engineers (ASME), 2022)Heat-exchanger tubes subjected to cross-flow experience a fluid elastic instability (FEI) at a critical flow velocity. Baffle plates are often used to provide additional stiffness to long tubes. A cladding is provided ... -
Block–Wheel–Rail Temperature Assessments Via Longitudinal Train Dynamics Simulations
(The American Society of Mechanical Engineers (ASME), 2022)Two research gaps were identified in block–wheel–rail temperature assessment. First, current studies are not combined with train dynamics, which are better descriptions of the block–wheel–rail working environment. Second, ... -
Optimized Uncertainty and Disturbance Estimator Based Robust Controller for Micro Aerial Vehicle
(The American Society of Mechanical Engineers (ASME), 2022)The work presents optimized uncertainty and disturbance estimator (UDE) based robust controller to achieve the fixed wing micro-aerial vehicle (MAV) longitudinal and lateral stability. In the proposed control methodology, ... -
Discrete Element Analysis on Mechanical Properties of Ballast Bed by Tamping in Railway Turnout Areas
(The American Society of Mechanical Engineers (ASME), 2022)Turnout is the key component of the railway tracks for trains to change direction, which is vital to operational safety and passenger comfort. Therefore, it is of great importance to perform a scientific and reasonable ... -
An Efficient Modeling Method for the Simulation of Ball Bearing Dynamics
(The American Society of Mechanical Engineers (ASME), 2022)Efficiency and accuracy play an important role in numerical simulation for ball bearings dynamics. In this work, three kinds of contact models are developed in vector form to represent the interactions in ball/raceway, ... -
Consistent Strain-Based Multifidelity Modeling for Geometrically Nonlinear Beam Structures
(The American Society of Mechanical Engineers (ASME), 2022)Conventional multifidelity modeling for slender structures such as folding-wing aircraft and offshore wind turbines does not allow the generation of multiple fidelity models that consistently use the same external force ... -
Insect Wing Buckling Influences Stress and Stability During Collisions
(The American Society of Mechanical Engineers (ASME), 2022)Flapping insect wings collide with vegetation and other obstacles during flight. Repeated collisions may irreversibly damage the insect wing, thereby compromising the insect's ability to fly. Further, reaction torques ... -
Nonlinear Energy Sink Inspired Design for Friction-Induced Vibration Suppression of Braking Systems
(The American Society of Mechanical Engineers (ASME), 2022)In this paper, a nonlinear energy sink (NES) is designed and applied for the suppression of the friction-induced vibration (FIV) of a braking system. The equation of motion of the braking system, as well as the NES, is ... -
Constrained Multibody Kinematics and Dynamics in Absolute Coordinates: A Discussion of Three Approaches to Representing Rigid Body Rotation
(The American Society of Mechanical Engineers (ASME), 2022)We compare three ways to pose the set of index 3 differential algebraic equations (DAEs) associated with the constrained multibody dynamics problem formulated in absolute coordinates. The first approach, named rA, works ... -
Local Mesh Refinement and Coarsening Based on Analysis-Suitable T-Splines Surface and Its Application in Contact Problem
(The American Society of Mechanical Engineers (ASME), 2022)In contact analysis, reducing the computing time has been an issue under the premise of ensuring calculation accuracy around the region with violent stress changes. To improve computational efficiency for contact analysis ... -
Subharmonic Resonance of Duffing Oscillator With Dry Friction Under Foundation Excitation
(The American Society of Mechanical Engineers (ASME), 2022)The 1/3 subharmonic resonance response of Duffing oscillator with Coulomb dry friction under foundation excitation is investigated, and the approximate analytical solution of the subharmonic resonance of the system is ... -
Computationally Efficient Simulations of Stochastically Perturbed Nonlinear Dynamical Systems
(The American Society of Mechanical Engineers (ASME), 2022)A probabilistic approach is needed to address systems with uncertainties arising in natural processes and engineering applications. For computational convenience, however, the stochastic effects are often ignored. Thus, ... -
Stabilized Explicit Integrators for Local Parametrization in Multi-Rigid-Body System Dynamics
(The American Society of Mechanical Engineers (ASME), 2022)In this work, stabilized explicit integrators for local parametrization are introduced to calculate the dynamics of constrained multi-rigid-body systems, including those based on the orthogonal Runge–Kutta–Chebyshev (RKC) ... -
A Third-Order Two-Stage Numerical Scheme for Fractional Stokes Problems: A Comparative Computational Study
(The American Society of Mechanical Engineers (ASME), 2022)A third-order numerical scheme is proposed for solving fractional partial differential equations (PDEs). The first explicit stage can converge fast, and the second implicit stage is responsible for enlarging the stability ... -
Simplified Improvement of Higher Order Extended Bulk Flow Analysis Specialized for Derivation of Rotordynamic Coefficients of the Annular Plain Seal With Large Static Eccentricity
(The American Society of Mechanical Engineers (ASME), 2022)Rotordynamic (RD) fluid force of turbomachinery is known as one of the causes of the shaft vibration problem. Bulk flow analysis is the analytical method of RD fluid force, and it is widely used in design stage. Conventional ... -
Adaptive Uncertainty Estimator-Based Sliding Mode Control for a Spherical Robot: Methodology and Verification
(The American Society of Mechanical Engineers (ASME), 2022)This paper presents an adaptive uncertainty estimator-based proportional-integral (PI) type sliding mode control for a spherical robot with structural uncertainties and external disturbance. By projection method, the 3D ... -
Nonlinear Normal Modes of a Three Degrees-of-Freedom Cyclically Symmetric Piecewise Linear System
(The American Society of Mechanical Engineers (ASME), 2022)This article investigates the nonlinear normal modes (NNMs) of a three degrees-of-freedom cyclically symmetric system with bilinear contact springs. Further, two different cases of zero and nonzero clearance are assumed ... -
Extended State Observer-Based Discrete-Time Sliding-Mode Control With Mismatched Disturbances Attenuation
(The American Society of Mechanical Engineers (ASME), 2022)This paper proposed an extended state observer (ESO)-based discrete-time sliding-mode controller (DSMCer) to improve the steady-state output tracking accuracy of the systems with unmeasurable states and unknown mismatched ...